A C# library for working with Digital Elevation Models (DEM) to query elevations, generate 3D terrain models, and perform terrain analysis.
DEM.Net is a C# library for working with Digital Elevation Models (DEM) that provides tools for querying elevation data, generating 3D terrain models, and performing terrain analysis like intervisibility reports. It supports multiple DEM formats and datasets, automatically downloads data from open sources, and exports to 3D formats like glTF and STL.
C# developers and GIS professionals who need to integrate elevation data processing, 3D terrain generation, or terrain analysis into their applications.
Developers choose DEM.Net for its ease of use with automatic data download, support for multiple DEM formats, fast optimized queries, and seamless 3D export capabilities without requiring complex setup or external dependencies.
Digital Elevation model library in C#. 3D terrain models, line/point Elevations, intervisibility reports
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Automatically downloads DEM files from openTopography.org without manual setup, streamlining access to elevation data as highlighted in the key features.
Exports terrain models to glTF and STL formats, enabling easy integration with 3D applications and visualization tools, supported by dedicated glTFService.
Works with GeoTIFF, HGT, and netCDF formats, providing flexibility to handle diverse DEM datasets like NASA SRTM and JAXA AW3D.
Applies textures from MapBox, OSM, and Stamen to create realistic 3D models and normal maps, enhancing visualization capabilities as noted in the features.
Designed for speed with efficient elevation queries for points, polylines, and heightmaps, making terrain analysis quick and reliable.
Only free for personal use or small companies under $100,000 annual revenue, limiting adoption in larger commercial projects without additional costs.
The SampleApp is described as 'messy and lacks documentation,' making it challenging for new users to learn and implement best practices.
Relies on openTopography.org for data download, which could lead to failures or limitations if the service changes or becomes unavailable.
Confined to the C# ecosystem, with fewer community resources and integrations compared to broader geospatial libraries like GDAL.